Noun has 1 sense

• mastoid(n = noun.body) mastoid bone, mastoid process, mastoidal - process of the temporal bone behind the ear at the base of the skull;



Derived form adjective mastoid₁

Adjective has 2 senses

• mastoid(a = adj.pert) - of or relating to or in the region of the mastoid process;
Derived form noun mastoid₁

• mastoid(a = adj.pert) mastoidal - relating to or resembling a nipple;